NSN 5310-01-717-4818 · NIIN 017174818 · Part number 11NK188
Nylok Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 26233
Government record, cited
NSN 5310-01-717-4818 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-717-4818. Manufacturer of record part number: 11NK188.
Also searched as5310-01-717-4818 ·
5310017174818 ·
NIIN 017174818 ·
01-717-4818 ·
FSC 5310 Nuts and Washers · CAGE 26233 · 11NK188
Washer Outside Diameter: 0.395 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Hardness Rating: 20.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Nominal Thread Size: 0.1900 INCHES IN
Nut Height: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Nut Style: EXTERNAL TOOTH
Material: STEEL CORROSION RESISTING OVERALL
Identification
NSN: 5310-01-717-4818
NIIN: 017174818
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 11NK188
Manufacturer: Nylok Llc
General Description
The Nut,plain,assembled Washer, cataloged under National Stock Number 5310-01-717-4818, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nylok Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-717-4818
Primary Part Number
11NK188
Item Name
Nut,plain,assembled Washer
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Nylok Llc
Status
ACTIVE
Washer Outside Diameter
0.395 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Width Across Flats
0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Hardness Rating
20.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-717-4818?
NSN 5310-01-717-4818 is a Nut,plain,assembled Washer, manufactured by Nylok Llc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-717-4818?
NSN 5310-01-717-4818 has 1 manufacturer part number on file: 11NK188 (Nylok Llc).
What are the specifications of 11NK188?
Key specifications for 11NK188: Washer Outside Diameter: 0.395 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN; Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Hardness Rating: 20.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Nominal Thread Size: 0.1900 INCHES IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-717-4818 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.